CA1312902C - Stator and rotor lamination construction for a dynamo-electric machine - Google Patents
Stator and rotor lamination construction for a dynamo-electric machineInfo
- Publication number
- CA1312902C CA1312902C CA000581473A CA581473A CA1312902C CA 1312902 C CA1312902 C CA 1312902C CA 000581473 A CA000581473 A CA 000581473A CA 581473 A CA581473 A CA 581473A CA 1312902 C CA1312902 C CA 1312902C
- Authority
- CA
- Canada
- Prior art keywords
- stator
- slots
- rotor
- plate
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003475 lamination Methods 0.000 title claims abstract description 115
- 238000010276 construction Methods 0.000 title description 12
- 238000004804 winding Methods 0.000 claims abstract description 50
- 230000004907 flux Effects 0.000 claims abstract description 31
- 239000003302 ferromagnetic material Substances 0.000 claims description 23
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 7
- 210000002320 radius Anatomy 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical compound ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000004543 Vicia ervilia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005576 amination reaction Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/18—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having double-cage or multiple-cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US116,303 | 1987-11-04 | ||
| US07/116,303 US4801832A (en) | 1987-11-04 | 1987-11-04 | Stator and rotor lamination construction for a dynamo-electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1312902C true CA1312902C (en) | 1993-01-19 |
Family
ID=22366378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000581473A Expired - Lifetime CA1312902C (en) | 1987-11-04 | 1988-10-27 | Stator and rotor lamination construction for a dynamo-electric machine |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US4801832A (de) |
| EP (1) | EP0314860B1 (de) |
| JP (1) | JPH01129726A (de) |
| KR (1) | KR0139003B1 (de) |
| CA (1) | CA1312902C (de) |
| DE (1) | DE3855362T2 (de) |
Families Citing this family (92)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5005281A (en) * | 1990-08-20 | 1991-04-09 | Dynamics Systems International Inc. | Method of making rotor and stator pole assemblies by stamping magnetic plate |
| JP2599061B2 (ja) * | 1991-12-13 | 1997-04-09 | オリエンタルモーター株式会社 | ステッピングモータ |
| JP3327431B2 (ja) * | 1994-08-31 | 2002-09-24 | オークマ株式会社 | 電動機 |
| US5744888A (en) * | 1995-02-03 | 1998-04-28 | Tiedtke-Buhling-Kinne & Partner | Multiphase and multipole electrical machine |
| US5644180A (en) | 1995-06-06 | 1997-07-01 | Itt Automotive Electrical Systems, Inc. | Rear motor bearing for worm gear drive motors |
| US5788341A (en) * | 1995-06-06 | 1998-08-04 | Itt Automotive Electrical Systems, Inc. | Vehicle brake |
| US5716279A (en) * | 1995-11-21 | 1998-02-10 | Itt Automotive Electrical Systems, Inc. | Apparatus and method for coupling an output shaft of a motor to a secondary shaft |
| US6304018B1 (en) | 1995-11-21 | 2001-10-16 | Valeo Electrical Systems, Inc. | Externally-wound stator with improved magnetic transition |
| WO1997020376A1 (en) * | 1995-11-28 | 1997-06-05 | Itt Automotive Electrical Systems, Inc. | Motor having recessed area in motor case for retaining motor shaft bearing therein |
| US5829305A (en) * | 1996-03-18 | 1998-11-03 | Itt Automotive Electrical Systems, Inc. | Vehicle window drive system and method |
| US6972505B1 (en) | 1996-05-29 | 2005-12-06 | Abb | Rotating electrical machine having high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing the same |
| SE9602079D0 (sv) | 1996-05-29 | 1996-05-29 | Asea Brown Boveri | Roterande elektriska maskiner med magnetkrets för hög spänning och ett förfarande för tillverkning av densamma |
| AU718706B2 (en) | 1996-05-29 | 2000-04-20 | Abb Ab | A DC transformer/reactor |
| JP2000511338A (ja) | 1996-05-29 | 2000-08-29 | アセア ブラウン ボヴェリ エービー | 高圧巻線用導体および前記導体を含む巻線を備える回転電気機械 |
| SE510192C2 (sv) | 1996-05-29 | 1999-04-26 | Asea Brown Boveri | Förfarande och kopplingsarrangemang för att minska problem med tredjetonsströmmar som kan uppstå vid generator - och motordrift av växelströmsmaskiner kopplade till trefas distributions- eller transmissionsnät |
| CZ385998A3 (cs) | 1996-05-29 | 1999-06-16 | Abb Ab | Izolovaný vodič pro velmi vysoké napětí a způsob jeho výroby |
| SE509072C2 (sv) | 1996-11-04 | 1998-11-30 | Asea Brown Boveri | Anod, anodiseringsprocess, anodiserad tråd och användning av sådan tråd i en elektrisk anordning |
| SE510422C2 (sv) | 1996-11-04 | 1999-05-25 | Asea Brown Boveri | Magnetplåtkärna för elektriska maskiner |
| SE512917C2 (sv) | 1996-11-04 | 2000-06-05 | Abb Ab | Förfarande, anordning och kabelförare för lindning av en elektrisk maskin |
| SE515843C2 (sv) | 1996-11-04 | 2001-10-15 | Abb Ab | Axiell kylning av rotor |
| US5794326A (en) * | 1996-12-19 | 1998-08-18 | Itt Automotive Electrical Systems, Inc. | Removal of end play in electric motors |
| SE508544C2 (sv) | 1997-02-03 | 1998-10-12 | Asea Brown Boveri | Förfarande och anordning för montering av en stator -lindning bestående av en kabel. |
| SE9704429D0 (sv) * | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Roterande elektrisk maskin |
| SE9704412D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Krafttransformator/reaktor |
| SE9704431D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Effektreglering av synkronmaskin |
| SE9704423D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Roterande elektrisk maskin med spolstöd |
| SE9704427D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Infästningsanordning för elektriska roterande maskiner |
| SE9704421D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Seriekompensering av elektrisk växelströmsmaskin |
| SE508543C2 (sv) | 1997-02-03 | 1998-10-12 | Asea Brown Boveri | Hasplingsanordning |
| SE9704413D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Krafttransformator/reaktor |
| SE9704422D0 (sv) | 1997-02-03 | 1997-11-28 | Asea Brown Boveri | Ändplatta |
| SE510452C2 (sv) | 1997-02-03 | 1999-05-25 | Asea Brown Boveri | Transformator med spänningsregleringsorgan |
| SE513083C2 (sv) | 1997-09-30 | 2000-07-03 | Abb Ab | Synkronkompensatoranläggning jämte användning av dylik samt förfarande för faskompensation i ett högspänt kraftfält |
| SE513555C2 (sv) | 1997-11-27 | 2000-10-02 | Abb Ab | Förfarande för applicering av ett rörorgan i ett utrymme i en roterande elektrisk maskin och roterande elektrisk maskin enligt förfarandet |
| BR9815420A (pt) | 1997-11-28 | 2001-07-17 | Abb Ab | Método e dispositivo para controlar o fluxo magnético com um enrolamento auxiliar em uma máquina rotativa de alta voltagem de corrente alternada |
| GB2331858A (en) | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | A wind power plant |
| GB2331853A (en) | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | Transformer |
| GB2331867A (en) | 1997-11-28 | 1999-06-02 | Asea Brown Boveri | Power cable termination |
| JPH11215748A (ja) * | 1998-01-23 | 1999-08-06 | Toshiba Corp | 永久磁石形回転電機 |
| US6157109A (en) | 1998-02-10 | 2000-12-05 | Reliance Electric Technologies, Llc | Dynamoelectric machine with ferromagnetic end winding ring |
| KR19990013313A (ko) * | 1998-02-11 | 1999-02-25 | 이이수 | 무변출력 무정류자 직류전동기 |
| US6801421B1 (en) | 1998-09-29 | 2004-10-05 | Abb Ab | Switchable flux control for high power static electromagnetic devices |
| US6331760B1 (en) * | 1998-10-06 | 2001-12-18 | Mclane, Jr. Oscar B. | Capacitive induction motor and method |
| US6313559B1 (en) * | 1999-04-14 | 2001-11-06 | Denso Corporation | Stator arrangement of rotary electric machine |
| SE516002C2 (sv) | 2000-03-01 | 2001-11-05 | Abb Ab | Roterande elektrisk maskin samt förfarande för framställning av en statorlindning |
| US6885273B2 (en) | 2000-03-30 | 2005-04-26 | Abb Ab | Induction devices with distributed air gaps |
| SE516442C2 (sv) | 2000-04-28 | 2002-01-15 | Abb Ab | Stationär induktionsmaskin och kabel därför |
| JP3593038B2 (ja) * | 2001-01-16 | 2004-11-24 | 三菱電機株式会社 | 車両用交流発電機 |
| US6722015B2 (en) | 2001-08-11 | 2004-04-20 | General Electric Company | Assembly method for stamped and cupped laminations |
| US6847285B2 (en) * | 2001-08-13 | 2005-01-25 | General Electric Company | Interlock tabs for laminations |
| ES2207370B1 (es) * | 2001-10-30 | 2005-02-16 | Gregorio Arias Juberias | Motor de induccion electromagnetica radial y variable sobre inducido de cobre solido con ranuras. |
| US20040012291A1 (en) * | 2002-07-19 | 2004-01-22 | Mclennan Paul S. | High density winding for electric motor |
| US7483519B2 (en) | 2003-12-23 | 2009-01-27 | At&T Intellectual Property I, L.P. | Caller controlled systems to suppress system to de-activate 911 indicator |
| US7355507B2 (en) * | 2003-12-23 | 2008-04-08 | At&T Delaware Intellectual Property, Inc. | 911 Emergency light |
| US7245704B2 (en) * | 2004-01-30 | 2007-07-17 | Bellsouth Intellectual Property Corporation | Automated third party call activated when 911 dialed |
| US7620156B2 (en) * | 2006-06-06 | 2009-11-17 | At&T Intellectual Property I, L.P. | Systems and methods for providing location signals/indicators when 911 dialed |
| WO2005076435A1 (es) * | 2004-02-06 | 2005-08-18 | Gregorio Arias Juberias | Motor de inducción electromagnética |
| US7937485B2 (en) * | 2004-08-31 | 2011-05-03 | At&T Intellectual Property I, L.P. | Streaming gateway |
| JP4848842B2 (ja) * | 2006-05-29 | 2011-12-28 | 株式会社ジェイテクト | ブラシレスモータ及び電動パワーステアリング装置 |
| JP2008086064A (ja) * | 2006-09-26 | 2008-04-10 | Jtekt Corp | ブラシレスモータ |
| US7692350B2 (en) * | 2007-02-28 | 2010-04-06 | Emerson Electric Co. | Horizontal axis washing machine having 4 pole 36 slot motor |
| JP5130777B2 (ja) * | 2007-04-23 | 2013-01-30 | 株式会社豊田自動織機 | ステータ |
| WO2009084251A1 (ja) * | 2007-12-27 | 2009-07-09 | Mitsubishi Electric Corporation | 誘導電動機の回転子及び誘導電動機及び圧縮機及び送風機及び空気調和機 |
| KR100921468B1 (ko) | 2008-01-21 | 2009-10-13 | 엘지전자 주식회사 | 모터 및 이를 포함하는 압축기 |
| KR101102748B1 (ko) * | 2008-01-25 | 2012-01-05 | 미쓰비시덴키 가부시키가이샤 | 유도 전동기 및 밀폐형 압축기 |
| DE102008015327B4 (de) * | 2008-03-20 | 2021-05-06 | Secop Gmbh | Rotor einer elektrischen Maschine und Motor mit einem derartigen Rotor |
| US7709992B2 (en) * | 2008-07-31 | 2010-05-04 | Emerson Electric Co. | Electric machine |
| MY156192A (en) * | 2008-08-05 | 2016-01-29 | Mitsubishi Electric Corp | Induction motor and hermetic compressor |
| US7893589B2 (en) * | 2008-09-03 | 2011-02-22 | Dayton-Phoenix Group, Inc. | AC-induction-motor rotor lamination having rotor slots |
| US7741750B1 (en) * | 2008-12-29 | 2010-06-22 | Tesla Motors, Inc. | Induction motor with improved torque density |
| JP5490251B2 (ja) * | 2010-10-19 | 2014-05-14 | 三菱電機株式会社 | 誘導電動機の回転子及び誘導電動機及び圧縮機及び送風機及び空気調和機 |
| US9287759B2 (en) * | 2010-12-06 | 2016-03-15 | Mitsubishi Electric Corporation | Induction motor, compressor, air blower, and air conditioner |
| JP5591099B2 (ja) | 2010-12-28 | 2014-09-17 | 三菱電機株式会社 | 圧縮機および冷凍サイクル装置 |
| JP5722116B2 (ja) * | 2011-05-13 | 2015-05-20 | 日立オートモティブシステムズ株式会社 | 誘導回転電機 |
| CN202889143U (zh) * | 2011-12-28 | 2013-04-17 | 日本电产株式会社 | 单相感应马达 |
| CN104798294B (zh) * | 2012-11-22 | 2018-09-25 | 艾默生电气公司 | 电机、定子和压缩机,以及制造它们的方法 |
| JP2015186403A (ja) * | 2014-03-26 | 2015-10-22 | 住友重機械工業株式会社 | 誘導電動機 |
| EP2950424B1 (de) * | 2014-05-26 | 2020-11-04 | General Electric Technology GmbH | Kammer für Leiter von elektrischen Maschinen |
| CN105471132B (zh) * | 2014-05-29 | 2019-09-17 | 德昌电机(深圳)有限公司 | 电机用永久磁极及包括其的电机 |
| CN105471127B (zh) * | 2014-05-29 | 2019-02-05 | 德昌电机(深圳)有限公司 | 电机及电机用磁芯 |
| DE102015201731A1 (de) * | 2014-11-13 | 2016-05-19 | Robert Bosch Gmbh | Elektrische Maschine |
| JP2015112011A (ja) * | 2015-02-10 | 2015-06-18 | 三菱電機株式会社 | 誘導電動機、圧縮機および冷凍サイクル装置 |
| CN104917345B (zh) * | 2015-06-18 | 2017-10-20 | 哈尔滨电气动力装备有限公司 | 低噪声36极三相异步电机的定转子冲片结构 |
| US10498280B1 (en) * | 2016-08-25 | 2019-12-03 | Apple Inc. | Electric motor with shielded phase windings |
| US10528023B2 (en) * | 2016-12-22 | 2020-01-07 | General Dynamics-OTS. Inc. | Electric motor drive system for low-voltage motor |
| CN107659008A (zh) * | 2017-11-13 | 2018-02-02 | 安徽美芝精密制造有限公司 | 压缩机的电机组件、压缩机及制冷设备 |
| FR3082375B1 (fr) * | 2018-06-07 | 2021-12-24 | Leroy Somer Moteurs | Stator de machine electrique tournante |
| FR3082374B1 (fr) | 2018-06-07 | 2020-05-29 | Moteurs Leroy-Somer | Stator de machine electrique tournante |
| JP2018139494A (ja) * | 2018-06-14 | 2018-09-06 | 住友重機械工業株式会社 | 誘導電動機 |
| US11742711B1 (en) | 2019-11-19 | 2023-08-29 | United States Of America As Represented By The Secretary Of The Air Force | Rotor for a high speed electrical machine |
| DE102020128431A1 (de) * | 2020-10-29 | 2022-05-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Traktionsmotor für ein Fahrzeug |
| US12278532B2 (en) * | 2021-03-15 | 2025-04-15 | Anhui Meizhi Precision Manufacturing Co., Ltd. | Motor, compressor and refrigeration device |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2125970A (en) * | 1936-01-06 | 1938-08-09 | Wagner Electric Corp | Method of making squirrel cage rotors |
| US2528154A (en) * | 1947-03-13 | 1950-10-31 | Westinghouse Electric Corp | Shrunk rotor for squirrel-cage motors |
| US2794138A (en) * | 1954-05-27 | 1957-05-28 | Gen Electric | Closed slot rotor punching |
| US2778964A (en) * | 1954-12-29 | 1957-01-22 | Gen Electric | Slot liner-closer for dynamoelectric machine core member |
| DE1176269B (de) * | 1961-04-08 | 1964-08-20 | Kurt Westphalen | Staenderblech fuer Ein- bis Dreiphasen-Wechselstrom-Motoren mit einem Aussen-durchmesser bis zu 200 mm |
| US3122667A (en) * | 1961-05-25 | 1964-02-25 | Gen Electric | Laminated magnetic core for use in an electric inductive device |
| US3401280A (en) * | 1966-03-01 | 1968-09-10 | Gen Electric | Fabricated squirrel cage rotor construction for electric motor and method of assembling the same |
| US3457445A (en) * | 1967-12-19 | 1969-07-22 | Gen Electric | Laminated rotors and stators with flux barriers for synchronous induction motors and method of making the same |
| US3596121A (en) * | 1969-09-10 | 1971-07-27 | Robbins & Myers | Electric induction motor |
| JPS4926902B1 (de) * | 1970-12-24 | 1974-07-12 | ||
| JPS5523876B2 (de) * | 1972-06-09 | 1980-06-25 | ||
| FR2414816A1 (fr) * | 1978-01-11 | 1979-08-10 | Citroen Sa | Perfectionnements apportes aux moteurs electriques alimentes par un courant hache |
| DE2814745C2 (de) * | 1978-04-05 | 1982-06-16 | Siemens AG, 1000 Berlin und 8000 München | Stromverdrängungsläufer |
| US4241274A (en) * | 1978-05-10 | 1980-12-23 | General Electric Company | Dynamoelectric machine and stationary assembly therefor |
| US4365178A (en) * | 1981-06-08 | 1982-12-21 | General Electric Co. | Laminated rotor for a dynamoelectric machine with coolant passageways therein |
| US4566179A (en) * | 1983-05-19 | 1986-01-28 | Display Components, Inc. | Core element for electrodynamic rotary machine |
| US4585967A (en) * | 1983-10-21 | 1986-04-29 | General Electric Company | Rotor of AC dynamoelectric machine with improved cooling and stability and method of making the same |
| US4654552A (en) * | 1985-03-28 | 1987-03-31 | General Electric Company | Lanced strip and edgewise wound core |
| US4780635A (en) * | 1987-02-27 | 1988-10-25 | General Electric Company | Dynamo-electric machine lamination construction |
| US4788761A (en) * | 1987-06-26 | 1988-12-06 | General Electric Company | Method of assembling a core and method of assembling a slot liner |
| US4831301A (en) * | 1987-11-04 | 1989-05-16 | General Electric Company | Dynamo-electric machine lamination construction |
-
1987
- 1987-11-04 US US07/116,303 patent/US4801832A/en not_active Ceased
-
1988
- 1988-03-23 JP JP63067499A patent/JPH01129726A/ja active Pending
- 1988-03-24 DE DE3855362T patent/DE3855362T2/de not_active Expired - Lifetime
- 1988-03-24 EP EP88104718A patent/EP0314860B1/de not_active Expired - Lifetime
- 1988-04-06 KR KR1019880003807A patent/KR0139003B1/ko not_active Expired - Lifetime
- 1988-10-27 CA CA000581473A patent/CA1312902C/en not_active Expired - Lifetime
-
1990
- 1990-06-04 US US07/533,251 patent/USRE34667E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4801832A (en) | 1989-01-31 |
| EP0314860B1 (de) | 1996-06-12 |
| KR890009044A (ko) | 1989-07-13 |
| JPH01129726A (ja) | 1989-05-23 |
| USRE34667E (en) | 1994-07-19 |
| DE3855362D1 (de) | 1996-07-18 |
| EP0314860A1 (de) | 1989-05-10 |
| DE3855362T2 (de) | 1997-02-06 |
| KR0139003B1 (ko) | 1998-06-15 |
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